dagger tattoo

i'm going to get a dagger tattoo very soon but while looking at pictures i noticed that all of the daggers are vertical. I wanted to get mine on my ribcage horizontally. is it alright, or do daggers have to go vertical all the time?

I am not into tattoo, but your question made me curious. So I started to look at pictures and several really look nice.
When you look at the shape of your body it is natural that daggers are vertical.
Guess your body is now the one of a young person.
What is a horzontal dagger going to look like in few years when your skin get loose or you get "fatter" Is then vertical safer?